Qt 4.8
Public Functions | Protected Functions | List of all members
QAccessibleListBox Class Reference

The QAccessibleListBox class implements the QAccessibleInterface for list boxes. More...

#include <qaccessiblecompat.h>

Inheritance diagram for QAccessibleListBox:
Q3AccessibleScrollView QAccessibleWidget QAccessibleObject QAccessibleInterface QAccessible

Public Functions

void clearSelection ()
 Sets all the items in the list box to be unselected. More...
 
int itemAt (int x, int y) const
 Reimplemented Function More...
 
int itemCount () const
 Reimplemented Function More...
 
QRect itemRect (int item) const
 Reimplemented Function More...
 
 QAccessibleListBox (QWidget *o)
 Constructs a QAccessibleListBox object for a widget. More...
 
Role role (int child) const
 Reimplemented Function More...
 
QVector< int > selection () const
 Returns a (possibly empty) list of indexes of the items selected in the list box. More...
 
bool setSelected (int child, bool on, bool extend)
 Selects the item with index child if on is true; otherwise unselects it. More...
 
State state (int child) const
 Reimplemented Function More...
 
QString text (Text t, int child) const
 Reimplemented Function More...
 
- Public Functions inherited from Q3AccessibleScrollView
 Q3AccessibleScrollView (QWidget *w, Role role)
 Constructs a Q3AccessibleScrollView object for a widget. More...
 
- Public Functions inherited from QAccessibleWidget
QString actionText (int action, Text t, int child) const
 Reimplemented Function More...
 
int childAt (int x, int y) const
 Reimplemented Function More...
 
int childCount () const
 Reimplemented Function More...
 
bool doAction (int action, int child, const QVariantList &params)
 Reimplemented Function More...
 
int indexOfChild (const QAccessibleInterface *child) const
 Reimplemented Function More...
 
int navigate (RelationFlag rel, int entry, QAccessibleInterface **target) const
 Reimplemented Function More...
 
 QAccessibleWidget (QWidget *o, Role r=Client, const QString &name=QString())
 Creates a QAccessibleWidget object for widget w. More...
 
QRect rect (int child) const
 Reimplemented Function More...
 
Relation relationTo (int child, const QAccessibleInterface *other, int otherChild) const
 Reimplemented Function More...
 
int userActionCount (int child) const
 Reimplemented Function More...
 
- Public Functions inherited from QAccessibleObject
bool isValid () const
 Reimplemented Function More...
 
QObjectobject () const
 Reimplemented Function More...
 
 QAccessibleObject (QObject *object)
 Creates a QAccessibleObject for object. More...
 
void setText (Text t, int child, const QString &text)
 Reimplemented Function More...
 
- Public Functions inherited from QAccessibleInterface
QAccessibleActionInterfaceactionInterface ()
 
QColor backgroundColor ()
 
QAccessibleEditableTextInterfaceeditableTextInterface ()
 
QColor foregroundColor ()
 
QAccessibleImageInterfaceimageInterface ()
 
QVariant invokeMethod (Method method, int child=0, const QVariantList &params=QVariantList())
 Invokes a method on child with the given parameters params and returns the result of the operation as QVariant. More...
 
QSet< MethodsupportedMethods ()
 Returns a QSet of QAccessible::Method that are supported by this accessible interface. More...
 
QAccessibleTable2Interfacetable2Interface ()
 
QAccessibleTableInterfacetableInterface ()
 
QAccessibleTextInterfacetextInterface ()
 
QAccessibleValueInterfacevalueInterface ()
 
virtual ~QAccessibleInterface ()
 Destroys the object. More...
 

Protected Functions

Q3ListBox * listBox () const
 Returns the list box. More...
 
- Protected Functions inherited from QAccessibleWidget
void addControllingSignal (const QString &signal)
 Registers signal as a controlling signal. More...
 
QObjectparentObject () const
 Returns the associated widget's parent object, which is either the parent widget, or qApp for top-level widgets. More...
 
void setAccelerator (const QString &accel)
 Sets the accelerator of this interface implementation to accel. More...
 
void setDescription (const QString &desc)
 Sets the description of this interface implementation to desc. More...
 
void setHelp (const QString &help)
 Sets the help of this interface implementation to help. More...
 
void setValue (const QString &value)
 Sets the value of this interface implementation to value. More...
 
QWidgetwidget () const
 Returns the associated widget. More...
 
 ~QAccessibleWidget ()
 Destroys this object. More...
 
- Protected Functions inherited from QAccessibleObject
virtual ~QAccessibleObject ()
 Destroys the QAccessibleObject. More...
 

Additional Inherited Members

- Public Types inherited from QAccessible
enum  Action {
  DefaultAction = 0, Press = -1, FirstStandardAction = Press, SetFocus = -2,
  Increase = -3, Decrease = -4, Accept = -5, Cancel = -6,
  Select = -7, ClearSelection = -8, RemoveSelection = -9, ExtendSelection = -10,
  AddToSelection = -11, LastStandardAction = AddToSelection
}
 This enum describes the possible types of action that can occur. More...
 
enum  Event {
  SoundPlayed = 0x0001, Alert = 0x0002, ForegroundChanged = 0x0003, MenuStart = 0x0004,
  MenuEnd = 0x0005, PopupMenuStart = 0x0006, PopupMenuEnd = 0x0007, ContextHelpStart = 0x000C,
  ContextHelpEnd = 0x000D, DragDropStart = 0x000E, DragDropEnd = 0x000F, DialogStart = 0x0010,
  DialogEnd = 0x0011, ScrollingStart = 0x0012, ScrollingEnd = 0x0013, MenuCommand = 0x0018,
  ActionChanged = 0x0101, ActiveDescendantChanged = 0x0102, AttributeChanged = 0x0103, DocumentContentChanged = 0x0104,
  DocumentLoadComplete = 0x0105, DocumentLoadStopped = 0x0106, DocumentReload = 0x0107, HyperlinkEndIndexChanged = 0x0108,
  HyperlinkNumberOfAnchorsChanged = 0x0109, HyperlinkSelectedLinkChanged = 0x010A, HypertextLinkActivated = 0x010B, HypertextLinkSelected = 0x010C,
  HyperlinkStartIndexChanged = 0x010D, HypertextChanged = 0x010E, HypertextNLinksChanged = 0x010F, ObjectAttributeChanged = 0x0110,
  PageChanged = 0x0111, SectionChanged = 0x0112, TableCaptionChanged = 0x0113, TableColumnDescriptionChanged = 0x0114,
  TableColumnHeaderChanged = 0x0115, TableModelChanged = 0x0116, TableRowDescriptionChanged = 0x0117, TableRowHeaderChanged = 0x0118,
  TableSummaryChanged = 0x0119, TextAttributeChanged = 0x011A, TextCaretMoved = 0x011B, TextColumnChanged = 0x011D,
  TextInserted = 0x011E, TextRemoved = 0x011F, TextUpdated = 0x0120, TextSelectionChanged = 0x0121,
  VisibleDataChanged = 0x0122, ObjectCreated = 0x8000, ObjectDestroyed = 0x8001, ObjectShow = 0x8002,
  ObjectHide = 0x8003, ObjectReorder = 0x8004, Focus = 0x8005, Selection = 0x8006,
  SelectionAdd = 0x8007, SelectionRemove = 0x8008, SelectionWithin = 0x8009, StateChanged = 0x800A,
  LocationChanged = 0x800B, NameChanged = 0x800C, DescriptionChanged = 0x800D, ValueChanged = 0x800E,
  ParentChanged = 0x800F, HelpChanged = 0x80A0, DefaultActionChanged = 0x80B0, AcceleratorChanged = 0x80C0
}
 This enum type defines accessible event types. More...
 
typedef QAccessibleInterface *(* InterfaceFactory) (const QString &key, QObject *)
 This is a typedef for a pointer to a function with the following signature: More...
 
enum  Method {
  ListSupportedMethods = 0, SetCursorPosition = 1, GetCursorPosition = 2, ForegroundColor = 3,
  BackgroundColor = 4
}
 This enum describes the possible types of methods that can be invoked on an accessible object. More...
 
enum  RelationFlag {
  Unrelated = 0x00000000, Self = 0x00000001, Ancestor = 0x00000002, Child = 0x00000004,
  Descendent = 0x00000008, Sibling = 0x00000010, HierarchyMask = 0x000000ff, Up = 0x00000100,
  Down = 0x00000200, Left = 0x00000400, Right = 0x00000800, Covers = 0x00001000,
  Covered = 0x00002000, GeometryMask = 0x0000ff00, FocusChild = 0x00010000, Label = 0x00020000,
  Labelled = 0x00040000, Controller = 0x00080000, Controlled = 0x00100000, LogicalMask = 0x00ff0000
}
 This enum type defines bit flags that can be combined to indicate the relationship between two accessible objects. More...
 
enum  Role {
  NoRole = 0x00000000, TitleBar = 0x00000001, MenuBar = 0x00000002, ScrollBar = 0x00000003,
  Grip = 0x00000004, Sound = 0x00000005, Cursor = 0x00000006, Caret = 0x00000007,
  AlertMessage = 0x00000008, Window = 0x00000009, Client = 0x0000000A, PopupMenu = 0x0000000B,
  MenuItem = 0x0000000C, ToolTip = 0x0000000D, Application = 0x0000000E, Document = 0x0000000F,
  Pane = 0x00000010, Chart = 0x00000011, Dialog = 0x00000012, Border = 0x00000013,
  Grouping = 0x00000014, Separator = 0x00000015, ToolBar = 0x00000016, StatusBar = 0x00000017,
  Table = 0x00000018, ColumnHeader = 0x00000019, RowHeader = 0x0000001A, Column = 0x0000001B,
  Row = 0x0000001C, Cell = 0x0000001D, Link = 0x0000001E, HelpBalloon = 0x0000001F,
  Assistant = 0x00000020, List = 0x00000021, ListItem = 0x00000022, Tree = 0x00000023,
  TreeItem = 0x00000024, PageTab = 0x00000025, PropertyPage = 0x00000026, Indicator = 0x00000027,
  Graphic = 0x00000028, StaticText = 0x00000029, EditableText = 0x0000002A, PushButton = 0x0000002B,
  CheckBox = 0x0000002C, RadioButton = 0x0000002D, ComboBox = 0x0000002E, ProgressBar = 0x00000030,
  Dial = 0x00000031, HotkeyField = 0x00000032, Slider = 0x00000033, SpinBox = 0x00000034,
  Canvas = 0x00000035, Animation = 0x00000036, Equation = 0x00000037, ButtonDropDown = 0x00000038,
  ButtonMenu = 0x00000039, ButtonDropGrid = 0x0000003A, Whitespace = 0x0000003B, PageTabList = 0x0000003C,
  Clock = 0x0000003D, Splitter = 0x0000003E, LayeredPane = 0x0000003F, Terminal = 0x00000040,
  Desktop = 0x00000041, UserRole = 0x0000ffff
}
 This enum defines the role of an accessible object. More...
 
typedef void(* RootObjectHandler) (QObject *)
 A function pointer type. More...
 
enum  StateFlag {
  Normal = 0x00000000, Unavailable = 0x00000001, Selected = 0x00000002, Focused = 0x00000004,
  Pressed = 0x00000008, Checked = 0x00000010, Mixed = 0x00000020, ReadOnly = 0x00000040,
  HotTracked = 0x00000080, DefaultButton = 0x00000100, Expanded = 0x00000200, Collapsed = 0x00000400,
  Busy = 0x00000800, Marqueed = 0x00002000, Animated = 0x00004000, Invisible = 0x00008000,
  Offscreen = 0x00010000, Sizeable = 0x00020000, Movable = 0x00040000, SelfVoicing = 0x00080000,
  Focusable = 0x00100000, Selectable = 0x00200000, Linked = 0x00400000, Traversed = 0x00800000,
  MultiSelectable = 0x01000000, ExtSelectable = 0x02000000, Protected = 0x20000000, HasPopup = 0x40000000,
  Modal = 0x80000000, HasInvokeExtension = 0x10000000
}
 This enum type defines bit flags that can be combined to indicate the state of an accessible object. More...
 
enum  Text {
  Name = 0, Description, Value, Help,
  Accelerator, UserText = 0x0000ffff
}
 This enum specifies string information that an accessible object returns. More...
 
typedef void(* UpdateHandler) (QObject *, int who, Event reason)
 A function pointer type. More...
 
- Static Public Functions inherited from QAccessible
static void cleanup ()
 
static void initialize ()
 
static void installFactory (InterfaceFactory)
 Installs the InterfaceFactory factory. More...
 
static RootObjectHandler installRootObjectHandler (RootObjectHandler)
 Installs the given handler as the function to be used by setRootObject(), and returns the previously installed handler. More...
 
static UpdateHandler installUpdateHandler (UpdateHandler)
 Installs the given handler as the function to be used by updateAccessibility(), and returns the previously installed handler. More...
 
static bool isActive ()
 Returns true if an accessibility implementation has been requested during the runtime of the application; otherwise returns false. More...
 
static QAccessibleInterfacequeryAccessibleInterface (QObject *)
 If a QAccessibleInterface implementation exists for the given object, this function returns a pointer to the implementation; otherwise it returns 0. More...
 
static void removeFactory (InterfaceFactory)
 Removes factory from the list of installed InterfaceFactories. More...
 
static void setRootObject (QObject *)
 Sets the root accessible object of this application to object. More...
 
static void updateAccessibility (QObject *, int who, Event reason)
 Notifies accessibility clients about a change in object's accessibility information. More...
 

Detailed Description

The QAccessibleListBox class implements the QAccessibleInterface for list boxes.

Warning
This function is not part of the public interface.

Definition at line 143 of file qaccessiblecompat.h.

Constructors and Destructors

◆ QAccessibleListBox()

QAccessibleListBox::QAccessibleListBox ( QWidget o)
explicit

Constructs a QAccessibleListBox object for a widget.

Definition at line 698 of file qaccessiblecompat.cpp.

700 {
701  Q_ASSERT(widget()->inherits("Q3ListBox"));
702 }
#define Q_ASSERT(cond)
Definition: qglobal.h:1823
QWidget * widget() const
Returns the associated widget.
Q3AccessibleScrollView(QWidget *w, Role role)
Constructs a Q3AccessibleScrollView object for a widget.

Functions

◆ clearSelection()

void QAccessibleListBox::clearSelection ( )

Sets all the items in the list box to be unselected.

See also
setSelected() selection()

Definition at line 831 of file qaccessiblecompat.cpp.

832 {
833  listBox()->clearSelection();
834 }
Q3ListBox * listBox() const
Returns the list box.

◆ itemAt()

int QAccessibleListBox::itemAt ( int  x,
int  y 
) const
virtual

Reimplemented Function

Reimplemented from Q3AccessibleScrollView.

Definition at line 711 of file qaccessiblecompat.cpp.

712 {
713  Q3ListBoxItem *item = listBox()->itemAt(QPoint(x, y));
714  return listBox()->index(item) + 1;
715 }
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
Q3ListBox * listBox() const
Returns the list box.

◆ itemCount()

int QAccessibleListBox::itemCount ( ) const
virtual

Reimplemented Function

Reimplemented from Q3AccessibleScrollView.

Definition at line 724 of file qaccessiblecompat.cpp.

725 {
726  return listBox()->count();
727 }
Q3ListBox * listBox() const
Returns the list box.

◆ itemRect()

QRect QAccessibleListBox::itemRect ( int  item) const
virtual

Reimplemented Function

Reimplemented from Q3AccessibleScrollView.

Definition at line 718 of file qaccessiblecompat.cpp.

719 {
720  return listBox()->itemRect(listBox()->item(item-1));
721 }
Q3ListBox * listBox() const
Returns the list box.

◆ listBox()

Q3ListBox * QAccessibleListBox::listBox ( ) const
protected

Returns the list box.

Definition at line 705 of file qaccessiblecompat.cpp.

Referenced by clearSelection(), itemAt(), itemCount(), itemRect(), selection(), setSelected(), state(), and text().

706 {
707  return (Q3ListBox*)widget();
708 }
QWidget * widget() const
Returns the associated widget.

◆ role()

QAccessible::Role QAccessibleListBox::role ( int  child) const
virtual

Reimplemented Function

Reimplemented from QAccessibleWidget.

Definition at line 742 of file qaccessiblecompat.cpp.

743 {
744  if (!child)
745  return Q3AccessibleScrollView::role(child);
746  return ListItem;
747 }
Role role(int child) const
Reimplemented Function

◆ selection()

QVector< int > QAccessibleListBox::selection ( ) const

Returns a (possibly empty) list of indexes of the items selected in the list box.

See also
setSelected() clearSelection()

Definition at line 842 of file qaccessiblecompat.cpp.

843 {
844  QVector<int> array;
845  uint size = 0;
846  const uint c = listBox()->count();
847  array.resize(c);
848  for (uint i = 0; i < c; ++i) {
849  if (listBox()->isSelected(i)) {
850  ++size;
851  array[(int)size-1] = i+1;
852  }
853  }
854  array.resize(size);
855  return array;
856 }
unsigned char c[8]
Definition: qnumeric_p.h:62
void resize(int size)
Sets the size of the vector to size.
Definition: qvector.h:342
unsigned int uint
Definition: qglobal.h:996
Q3ListBox * listBox() const
Returns the list box.

◆ setSelected()

bool QAccessibleListBox::setSelected ( int  child,
bool  on,
bool  extend 
)

Selects the item with index child if on is true; otherwise unselects it.

If extend is true and the selection mode is not Single and there is an existing selection, the selection is extended to include all the items from the existing selection up to and including the item with index child. Returns true if a selection was made or extended; otherwise returns false.

See also
selection() clearSelection()

Definition at line 802 of file qaccessiblecompat.cpp.

803 {
804  if (!child || (extend &&
805  listBox()->selectionMode() != Q3ListBox::Extended &&
806  listBox()->selectionMode() != Q3ListBox::Multi))
807  return false;
808 
809  Q3ListBoxItem *item = listBox()->item(child -1);
810  if (!item)
811  return false;
812  if (!extend) {
813  listBox()->setSelected(item, on);
814  } else {
815  int current = listBox()->currentItem();
816  bool down = child > current;
817  for (int i = current; i != child;) {
818  down ? i++ : i--;
819  listBox()->setSelected(i, on);
820  }
821 
822  }
823  return true;
824 }
Q3ListBox * listBox() const
Returns the list box.

◆ state()

QAccessible::State QAccessibleListBox::state ( int  child) const
virtual

Reimplemented Function

Reimplemented from QAccessibleWidget.

Definition at line 750 of file qaccessiblecompat.cpp.

751 {
753  Q3ListBoxItem *item;
754  if (!child || !(item = listBox()->item(child - 1)))
755  return state;
756 
757  if (item->isSelectable()) {
758  if (listBox()->selectionMode() == Q3ListBox::Multi)
759  state |= MultiSelectable;
760  else if (listBox()->selectionMode() == Q3ListBox::Extended)
761  state |= ExtSelectable;
762  else if (listBox()->selectionMode() == Q3ListBox::Single)
763  state |= Selectable;
764  if (item->isSelected())
765  state |= Selected;
766  }
767  if (listBox()->focusPolicy() != Qt::NoFocus) {
768  state |= Focusable;
769  if (item->isCurrent())
770  state |= Focused;
771  }
772  if (!listBox()->itemVisible(item))
773  state |= Invisible;
774 
775  return state;
776 }
The State element defines configurations of objects and properties.
State state(int child) const
Reimplemented Function
Q3ListBox * listBox() const
Returns the list box.
State state(int child) const
Reimplemented Function

◆ text()

QString QAccessibleListBox::text ( Text  t,
int  child 
) const
virtual

Reimplemented Function

Reimplemented from QAccessibleWidget.

Definition at line 730 of file qaccessiblecompat.cpp.

731 {
732  if (!child || t != Name)
733  return Q3AccessibleScrollView::text(t, child);
734 
735  Q3ListBoxItem *item = listBox()->item(child - 1);
736  if (item)
737  return item->text();
738  return QString();
739 }
The QString class provides a Unicode character string.
Definition: qstring.h:83
Q3ListBox * listBox() const
Returns the list box.
QString text(Text t, int child) const
Reimplemented Function

The documentation for this class was generated from the following files: